Geological Formations of Delaware
- Wissahickon Formation
- Wilmington Complex
Read more about this topic: Geology Of Delaware
Famous quotes containing the word geological:
“The crystal sphere of thought is as concentrical as the geological structure of the globe. As our soils and rocks lie in strata, concentric strata, so do all men’s thinkings run laterally, never vertically.”
—Ralph Waldo Emerson (1803–1882)